The rontgen or roentgen (R) is a unit of measurement of ionizing radiation in air, either X or gamma rays. It is named after the German physicist Wilhelm Rontgen. A roentgen is the amount of radiation required to liberate a pair of positive and negative charges from atoms of one electrostatic unit of charge in […]
Hot Item | Practical Digital Imaging & PACS (Medical Physics Monograph No. 25) – Radiology
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